CN209232222U

CN209232222U - A kind of Multifunctional math teaching aid

Info

Publication number: CN209232222U
Application number: CN201821718754.0U
Authority: CN
Inventors: 姜靖滨
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-23
Filing date: 2018-10-23
Publication date: 2019-08-09
Anticipated expiration: 2028-10-23

Abstract

The utility model provides a kind of Multifunctional math teaching aid, the longitudinal rail including cross slide way and perpendicular setting；The C sliding block being slidably matched with it is equipped in the longitudinal rail；Difference A sliding block and B sliding block in the cross slide way；It is connected between the A sliding block and B sliding block by elastic string；It is connected between the B sliding block and C sliding block by elastic string；It is connected between the C sliding block and A sliding block by elastic string.The utility model can demonstrate triangle of different shapes by the C sliding block on A sliding block, B sliding block and the longitudinal rail on sliding cross slide way, to promote the image sense for saying class hour, it is easier to student be allowed to understand lecture content；The time of teacher's drawing can also be saved simultaneously.

Description

A kind of Multifunctional math teaching aid

Technical field

The utility model relates to teaching aid technical fields, more particularly to a kind of Multifunctional math teaching aid.

Background technique

Mathematical modeling is the important means using mathematical tool solving practical problems.Mathematical education will not only teach number of students It gains knowledge, more to teach student with knowledge and remove solving practical problems.To be apt to for the clear feature teacher of the general system of training In the concept rule and solution approach of mathematics are modeled in teaching, make student that can grasp the rudimentary knowledge of mathematics, Energy applied mathematics knowledge solves the problem in life and production again.

Currently, teacher when giving lessons geometry curriculum, can usually be related to triangle, teacher uses writing on the blackboard or oral instruction, It can not intuitively be shown to student very much；And mapped on blackboard using teaching aid, efficiency is lower, may occupy a large amount of Time in classroom.

Utility model content

The utility model is intended to provide a kind of Multifunctional math teaching aid to solve above-mentioned technical problem in the prior art.

The technical solution adopted in the utility model are as follows: a kind of Multifunctional math teaching aid, including cross slide way and perpendicular The longitudinal rail of setting, which is characterized in that the C sliding block being slidably matched with it is equipped in the longitudinal rail；The cross slide way Interior A sliding block and B sliding block respectively；It is connected between the A sliding block and B sliding block by elastic string；Lead between the B sliding block and C sliding block Cross elastic string connection；It is connected between the C sliding block and A sliding block by elastic string.

According to Multifunctional math teaching aid described in the utility model, the longitudinal rail is located at the middle part of cross slide way, and Longitudinal rail and cross slide way form upside down t-shape.

According to Multifunctional math teaching aid described in the utility model, the cross slide way is equipped with graduated scale；The longitudinal direction Guide rail is equipped with graduated scale.

According to Multifunctional math teaching aid described in the utility model, the longitudinal rail and cross slide way include magnet bottom Plate；Two gib blocks disposed in parallel are fixed on the magnet bottom plate；The A sliding block, B sliding block and C sliding block include standing Bar, upright bar lower end are equipped with the iron block cooperated with two gib block contact slides.

According to Multifunctional math teaching aid described in the utility model, the magnet bottom plate is strip.

According to Multifunctional math teaching aid described in the utility model, the iron block lower end and magnet contacts baseplate cooperate；Institute Upright bar upper end is stated equipped with handle.

According to Multifunctional math teaching aid described in the utility model, the gib block is inverted L shape, and two gib blocks are opposite Setting forms convex guide groove；The upright bar is equipped with compressed spring between iron block and gib block inner top surface.

According to Multifunctional math teaching aid described in the utility model, the side of the longitudinal rail is equipped with fixed plate, fixed D fixed link is fixed on plate；It is connected between the D fixed link and C sliding block by elastic string.

According to Multifunctional math teaching aid described in the utility model, the through-hole that elastic string passes through is offered in the upright bar； The elastic string between elastic string and B sliding block and C sliding block between the C sliding block and D fixed link is an elastic string, the elastic string Through-hole on C sliding block, both ends are fixedly connected with D fixed link and B sliding block respectively.

According to Multifunctional math teaching aid described in the utility model, the elastic string is rubber rope.

The beneficial effects of the utility model are: the utility model by sliding cross slide way on A sliding block, B sliding block and C sliding block on longitudinal rail, can demonstrate triangle of different shapes, say the image sense of class hour to be promoted, it is easier to allow Physiology solution lecture content；The time of teacher's drawing can also be saved simultaneously.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of Multifunctional math teaching aid provided by the embodiment of the utility model；

Fig. 2 is the cooperation schematic diagram of guide rail and sliding block；

Fig. 3 is apart from demonstration graph；

Fig. 4 is apart from demonstration graph.

In figure, 1- cross slide way, 2- longitudinal rail, 3- graduated scale, 4- elastic string, 5-B sliding block, 6-C sliding block, 7-D are fixed Bar, 8-A sliding block, 9- fixed plate, 10- through-hole, 11- magnet bottom plate, 12- gib block, 13- upright bar, 14- handle, 15- compressed spring And 16- iron block.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality With novel further description.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than complete The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Every other embodiment obtained is put, is fallen within the protection scope of the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation or be constructed and operated in a specific orientation, therefore it should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；Of course, can also be mechanical connection, it is also possible to be electrically connected；In addition, it can also be and be connected directly, be also possible to Indirectly connected through an intermediary, or it can be connection inside two elements.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

Embodiment 1

As shown in Figs. 1-2, the utility model provides a kind of Multifunctional math teaching aid, including cross slide way 1 and hangs down with it The longitudinal rail 2 being directly arranged；The C sliding block 6 being slidably matched with it is equipped in the longitudinal rail 2；In the cross slide way 1 respectively A sliding block 8 and B sliding block 5；It is connected between the A sliding block 8 and B sliding block 5 by elastic string 4；Lead between the B sliding block 5 and C sliding block 6 Cross the connection of elastic string 4；It is connected between the C sliding block 6 and A sliding block 8 by elastic string 4；The elastic string 4 is rubber rope.

Longitudinal rail 2 is located at the middle part of cross slide way 1, and longitudinal rail 2 and cross slide way 1 form upside down t-shape.Laterally lead Rail 1 is equipped with graduated scale 3；The longitudinal rail 2 is equipped with graduated scale 3.Graduated scale on the cross slide way 1 is from longitudinal rail 2 are distributed along both ends with the junction of cross slide way 1 and are arranged；The distribution of guide rail 2 is set graduated scale on the longitudinal rail 2 along longitudinal direction It sets.

By the way that graduated scale 3 is arranged on cross slide way 1 and longitudinal rail 2, can both be needed to show triangle mould according to size Type can also be determined by tri- sliding blocks of A, B, C and skid off triangle on three endpoints, then blackboard.

Longitudinal rail 2 and cross slide way 1 include magnet bottom plate 11；The magnet bottom plate 11 is strip；The magnet bottom Two gib blocks 12 disposed in parallel are fixed on plate 11；The A sliding block 8, B sliding block 5 and C sliding block 6 include upright bar 13, are stood 13 lower end of bar is equipped with the iron block 16 cooperated with two gib blocks, 12 contact slide；16 lower end of iron block is contacted with magnet bottom plate 11 matches It closes；13 upper end of upright bar is equipped with handle 14.After sliding A sliding block 8, B sliding block 5 and C sliding block 6, pass through iron block 16 and magnet bottom The magneticaction of plate 11 fixes A sliding block 8, B sliding block 5 and C sliding block 6, avoids the effect of 4 pulling force of elastic string from making three sliding block positions It moves.

Gib block 12 is inverted L shape, and two gib blocks 12 are oppositely arranged to form convex guide groove；The upright bar 13 is in iron block Compressed spring 15 is equipped between 16 and 12 inner top surface of gib block.Iron block 16 is set to be tightly attached to magnet bottom plate 11 by compressed spring 15 On, it further avoids iron block 16 and is displaced under the action of elastic rope tension.

The utility model passes through the C sliding block 6 on A sliding block 8, B sliding block 5 and longitudinal rail 2 on sliding cross slide way 1, Triangle of different shapes can be demonstrated, to promote the image sense for saying class hour, it is easier to student be allowed to understand lecture content；Simultaneously The time of teacher's drawing can also be saved.

Embodiment 2

As shown in Figs 1-4, the utility model provides a kind of Multifunctional math teaching aid, including cross slide way 1 and hangs down with it The longitudinal rail 2 being directly arranged；The C sliding block 6 being slidably matched with it is equipped in the longitudinal rail 2；In the cross slide way 1 respectively A sliding block 8 and B sliding block 5；It is connected between the A sliding block 8 and B sliding block 5 by elastic string 4；Lead between the B sliding block 5 and C sliding block 6 Cross the connection of elastic string 4；It is connected between the C sliding block 6 and A sliding block 8 by elastic string 4；The elastic string 4 is rubber rope.

The side of longitudinal rail 2 is equipped with fixed plate 9, is fixed with D fixed link 7 in fixed plate 9；The D fixed link 7 and C It is connected between sliding block 6 by elastic string 4；The through-hole 10 that elastic string 4 passes through is offered in the upright bar 13；The C sliding block 6 and D Elastic string 4 between elastic string 4 between fixed link 7 and B sliding block 5 and C sliding block 6 is an elastic string, which passes through C Through-hole 10 on sliding block 6, both ends are fixedly connected with D fixed link 7 and B sliding block 5 respectively.

Can clearly show that through this embodiment C sliding block 6 longitudinal rail 1 where when, A sliding block 8 arrive C sliding block 6 distance is most short plus the distance of C sliding block 6 to D fixed link 7, as shown in Fig. 1, first slides into B sliding block 5 and 8 edge of A sliding block The position of longitudinal rail symmetrical 2, i.e. A sliding block 8, B sliding block 5, C sliding block 6 form isosceles triangle shape, that is, A sliding block 8 is slided to C The distance of block 6 is equal to the distance that B sliding block 5 arrives C sliding block 6；Then C sliding block 6, when C sliding block 6 is in the position Fig. 3, B sliding block are slided 5, the elastic string 4 between C sliding block 6 and D fixed link 7 is broken line, and when C sliding block 6 is set in Fig. 4, B sliding block 5, C sliding block 6 and D are solid 4 Ren Ranwei broken line of elastic string between fixed pole 7, when C sliding block 6 is set in Fig. 1, between B sliding block 5, C sliding block 6 and D fixed link 7 Elastic string be straight line, linear distance is most short, it can be seen that when C sliding block 6 is set in Fig. 1, A sliding block 8 arrives the distance of C sliding block 6 In addition the distance of C sliding block 6 to D fixed link 7 is most short, therefore 3 points of demonstration that the present embodiment can be vivid are sentenced apart from shortest position It is disconnected, make classmates' mathematical knowledge easier to understand.

Finally, it should be noted that the above various embodiments is only the preferred embodiment of the utility model to illustrate that this is practical Novel technical solution, rather than its limitations, when the scope of the patents for being less limitation the utility model；Although referring to aforementioned each reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding It states technical solution documented by each embodiment to modify, or some or all of the technical features is equally replaced It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution Range；In addition, by the technical solution of the utility model it is direct or indirect be used in other related technical areas, similarly Including in the scope of patent protection of the utility model.

Claims

1. a kind of Multifunctional math teaching aid, the longitudinal rail including cross slide way and perpendicular setting, it is characterised in that: described The C sliding block being slidably matched with it is equipped in longitudinal rail；Difference A sliding block and B sliding block in the cross slide way；The A sliding block and B It is connected between sliding block by elastic string；It is connected between the B sliding block and C sliding block by elastic string；The C sliding block and A sliding block it Between pass through elastic string connect.

2. Multifunctional math teaching aid according to claim 1, it is characterised in that: the longitudinal rail is located at cross slide way Middle part, and longitudinal rail and cross slide way form upside down t-shape.

3. Multifunctional math teaching aid according to claim 2, it is characterised in that: the cross slide way is equipped with graduated scale； The longitudinal rail is equipped with graduated scale.

4. Multifunctional math teaching aid according to claim 1, it is characterised in that: the longitudinal rail and cross slide way wrap Include magnet bottom plate；Two gib blocks disposed in parallel are fixed on the magnet bottom plate；The A sliding block, B sliding block and C sliding block It include upright bar, upright bar lower end is equipped with the iron block cooperated with two gib block contact slides.

5. Multifunctional math teaching aid according to claim 4, it is characterised in that: the magnet bottom plate is strip.

6. Multifunctional math teaching aid according to claim 4, it is characterised in that: the iron block lower end and magnet contacts baseplate Cooperation；The upright bar upper end is equipped with handle.

7. Multifunctional math teaching aid according to claim 4, it is characterised in that: the gib block is inverted L shape, and two are led It is oppositely arranged to form convex guide groove to item；The upright bar is equipped with compressed spring between iron block and gib block inner top surface.

8. Multifunctional math teaching aid according to claim 4, it is characterised in that: the side of the longitudinal rail, which is equipped with, to be fixed Plate is fixed with D fixed link in fixed plate；It is connected between the D fixed link and C sliding block by elastic string.

9. Multifunctional math teaching aid according to claim 4, it is characterised in that: offer elastic string in the upright bar and pass through Through-hole；The elastic string between elastic string and B sliding block and C sliding block between the C sliding block and D fixed link is an elastic string, The elastic string passes through the through-hole on C sliding block, and both ends are fixedly connected with D fixed link and B sliding block respectively.

10. Multifunctional math teaching aid described in -9 any one according to claim 1, it is characterised in that: the elastic string is rubber Glue rope.